| Date | November 2013 | Marks available | 1 | Reference code | 13N.1.HL.TZ0.14 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 14 | Adapted from | N/A |
Question
An ambulance emits a sound of frequency f as it travels along a straight road between stationary observers A and B.
Which of the following shows how the frequency of the sound heard by each observer compares with f?
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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